CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable.
CVE
CVE-2011-4120
Severity
CRITICAL
CVSS
9.8
EPSS
2.02%
Original NVD Description
Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in the PAM configuration. A remote attacker could use this flaw to circumvent common authentication process and obtain access to the account in question by providing a NULL value (pressing Ctrl-D keyboard sequence) as the password string.
Related CVEs
Other vulnerabilities affecting the same vendor(s)